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Question

The metal that can be obtained by electrolysis of an aqueous solution of its salts is :

A
Ag
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B
Cr
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C
Mg
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D
Ca
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Solution

The correct option is A Ag
Ag (silver) can be obtained by electrolysis of the aqueous solution of their salts.

Mg, Cr and Cu cannot be obtained by electrolysis of the aqueous solution of their salts, because Mg, Cr and Cu are more electropositive in nature.

Hence, option A is correct.

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